N. Ramkumar, R. Nagarajan
Jan 29, 2014
Citations
0
Influential Citations
8
Citations
Journal
Tetrahedron Letters
Abstract
Abstract 1-(2-Oxo-2-(pyridin-4-yl)ethyl)indoline-2,3-dione can be prepared and converted by treatment with sodium hydroxide into 2-isonicotinoyl-1 H -indole-3-carboxylic acid as a key intermediate which can be transformed into ellipticine quinone in a two step sequence.